Steelclad Lycanthrope

{g}: Steelclad Lycanthrope gains hexproof until
end of turn. Use this ability only if you control
an artifact.
{g}{g}: Steelclad Lycanthrope gets +2/+2 and
gains trample until end of turn. Use this ability
only if you control 2 or more artifacts.
{g}{g}{g}: Draw a card. Use this ability only if you control 3 or more artifacts.